Ahna O'Reilly found incredible success as an accomplished actress, appearing in a variety of films throughout her Hollywood career. She began her acting career with roles in the series "CSI: New York" (2004-2013), "How I Met Your Mother" (CBS, 2005-2014) and "Vampire Diaries" (CW, 2009-). She also landed roles in movies like the crime drama "Nancy Drew" (2007) with Emma Roberts and the romantic comedy "Forgetting Sarah Marshall" (2008) with Jason Segel. She next focused her entertainment career on film, appearing in "oS And 1S" (2011), the James Franco dramatic adaptation "As I Lay Dying" (2013) and the dramatic musical "CBGB" (2013) with Alan Rickman. She also appeared in "From the Head" (2013) with Matthew Lillard, "Fruitvale Station" (2013) and the Wes Bentley drama "The Time Being" (2013). O'Reilly also appeared in the Ashton Kutcher biographical drama "jOBS" (2013), the Chadwick A Boseman musical drama "Get On Up" (2014) and "Lucky Them" (2014). She also appeared in "The Big Ask" (2014) with Gillian Jacobs and "No Way Jose" (2015). Most recently, O'Reilly acted in "She's Funny That Way" (2015) with Owen Wilson.

Ahna O'Reilly found incredible success as an accomplished actress, appearing in a variety of films throughout her Hollywood career. She began her acting career with roles in the series "CSI: New York" (2004-2013), "How I Met Your Mother" (CBS, 2005-2014) and "Vampire Diaries" (CW, 2009-). She also landed roles in movies like the crime drama "Nancy Drew" (2007) with Emma Roberts and the romantic comedy "Forgetting Sarah Marshall" (2008) with Jason Segel. She next focused her entertainment career on film, appearing in "oS And 1S" (2011), the James Franco dramatic adaptation "As I Lay Dying" (2013) and the dramatic musical "CBGB" (2013) with Alan Rickman. She also appeared in "From the Head" (2013) with Matthew Lillard, "Fruitvale Station" (2013) and the Wes Bentley drama "The Time Being" (2013). O'Reilly also appeared in the Ashton Kutcher biographical drama "jOBS" (2013), the Chadwick A Boseman musical drama "Get On Up" (2014) and "Lucky Them" (2014). She also appeared in "The Big Ask" (2014) with Gillian Jacobs and "No Way Jose" (2015). Most recently, O'Reilly acted in "She's Funny That Way" (2015) with Owen Wilson.